[FFmpeg-devel] [PATCH 14/16] avfilter/af_biquads: Deduplicate options

Andreas Rheinhardt andreas.rheinhardt at gmail.com
Mon Jan 4 02:28:14 EET 2021


Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt at gmail.com>
---
 libavfilter/af_biquads.c | 106 ++++++++-------------------------------
 1 file changed, 20 insertions(+), 86 deletions(-)

diff --git a/libavfilter/af_biquads.c b/libavfilter/af_biquads.c
index 92e711bc4f..4774dfc5b6 100644
--- a/libavfilter/af_biquads.c
+++ b/libavfilter/af_biquads.c
@@ -931,8 +931,8 @@ static const AVOption equalizer_options[] = {
 
 DEFINE_BIQUAD_FILTER(equalizer, "Apply two-pole peaking equalization (EQ) filter.");
 #endif  /* CONFIG_EQUALIZER_FILTER */
-#if CONFIG_BASS_FILTER
-static const AVOption bass_options[] = {
+#if CONFIG_BASS_FILTER || CONFIG_LOWSHELF_FILTER
+static const AVOption bass_lowshelf_options[] = {
     {"frequency", "set central frequency", OFFSET(frequency), AV_OPT_TYPE_DOUBLE, {.dbl=100}, 0, 999999, FLAGS},
     {"f",         "set central frequency", OFFSET(frequency), AV_OPT_TYPE_DOUBLE, {.dbl=100}, 0, 999999, FLAGS},
     {"width_type", "set filter-width type", OFFSET(width_type), AV_OPT_TYPE_INT, {.i64=QFACTOR}, HERTZ, NB_WTYPE-1, FLAGS, "width_type"},
@@ -970,10 +970,18 @@ static const AVOption bass_options[] = {
     {NULL}
 };
 
+#if CONFIG_BASS_FILTER
+#define bass_options bass_lowshelf_options
 DEFINE_BIQUAD_FILTER(bass, "Boost or cut lower frequencies.");
 #endif  /* CONFIG_BASS_FILTER */
-#if CONFIG_TREBLE_FILTER
-static const AVOption treble_options[] = {
+
+#if CONFIG_LOWSHELF_FILTER
+#define lowshelf_options bass_lowshelf_options
+DEFINE_BIQUAD_FILTER(lowshelf, "Apply a low shelf filter.");
+#endif  /* CONFIG_LOWSHELF_FILTER */
+#endif  /* CONFIG_BASS_FILTER || CONFIG LOWSHELF_FILTER */
+#if CONFIG_TREBLE_FILTER || CONFIG_HIGHSHELF_FILTER
+static const AVOption treble_highshelf_options[] = {
     {"frequency", "set central frequency", OFFSET(frequency), AV_OPT_TYPE_DOUBLE, {.dbl=3000}, 0, 999999, FLAGS},
     {"f",         "set central frequency", OFFSET(frequency), AV_OPT_TYPE_DOUBLE, {.dbl=3000}, 0, 999999, FLAGS},
     {"width_type", "set filter-width type", OFFSET(width_type), AV_OPT_TYPE_INT, {.i64=QFACTOR}, HERTZ, NB_WTYPE-1, FLAGS, "width_type"},
@@ -1011,8 +1019,16 @@ static const AVOption treble_options[] = {
     {NULL}
 };
 
+#if CONFIG_TREBLE_FILTER
+#define treble_options treble_highshelf_options
 DEFINE_BIQUAD_FILTER(treble, "Boost or cut upper frequencies.");
 #endif  /* CONFIG_TREBLE_FILTER */
+
+#if CONFIG_HIGHSHELF_FILTER
+#define highshelf_options treble_highshelf_options
+DEFINE_BIQUAD_FILTER(highshelf, "Apply a high shelf filter.");
+#endif  /* CONFIG_HIGHSHELF_FILTER */
+#endif  /* CONFIG_TREBLE_FILTER || CONFIG_HIGHSHELF_FILTER */
 #if CONFIG_BANDPASS_FILTER
 static const AVOption bandpass_options[] = {
     {"frequency", "set central frequency", OFFSET(frequency), AV_OPT_TYPE_DOUBLE, {.dbl=3000}, 0, 999999, FLAGS},
@@ -1205,88 +1221,6 @@ static const AVOption allpass_options[] = {
 
 DEFINE_BIQUAD_FILTER(allpass, "Apply a two-pole all-pass filter.");
 #endif  /* CONFIG_ALLPASS_FILTER */
-#if CONFIG_LOWSHELF_FILTER
-static const AVOption lowshelf_options[] = {
-    {"frequency", "set central frequency", OFFSET(frequency), AV_OPT_TYPE_DOUBLE, {.dbl=100}, 0, 999999, FLAGS},
-    {"f",         "set central frequency", OFFSET(frequency), AV_OPT_TYPE_DOUBLE, {.dbl=100}, 0, 999999, FLAGS},
-    {"width_type", "set filter-width type", OFFSET(width_type), AV_OPT_TYPE_INT, {.i64=QFACTOR}, HERTZ, NB_WTYPE-1, FLAGS, "width_type"},
-    {"t",          "set filter-width type", OFFSET(width_type), AV_OPT_TYPE_INT, {.i64=QFACTOR}, HERTZ, NB_WTYPE-1, FLAGS, "width_type"},
-    {"h", "Hz", 0, AV_OPT_TYPE_CONST, {.i64=HERTZ}, 0, 0, FLAGS, "width_type"},
-    {"q", "Q-Factor", 0, AV_OPT_TYPE_CONST, {.i64=QFACTOR}, 0, 0, FLAGS, "width_type"},
-    {"o", "octave", 0, AV_OPT_TYPE_CONST, {.i64=OCTAVE}, 0, 0, FLAGS, "width_type"},
-    {"s", "slope", 0, AV_OPT_TYPE_CONST, {.i64=SLOPE}, 0, 0, FLAGS, "width_type"},
-    {"k", "kHz", 0, AV_OPT_TYPE_CONST, {.i64=KHERTZ}, 0, 0, FLAGS, "width_type"},
-    {"width", "set shelf transition steep", OFFSET(width), AV_OPT_TYPE_DOUBLE, {.dbl=0.5}, 0, 99999, FLAGS},
-    {"w",     "set shelf transition steep", OFFSET(width), AV_OPT_TYPE_DOUBLE, {.dbl=0.5}, 0, 99999, FLAGS},
-    {"gain", "set gain", OFFSET(gain), AV_OPT_TYPE_DOUBLE, {.dbl=0}, -900, 900, FLAGS},
-    {"g",    "set gain", OFFSET(gain), AV_OPT_TYPE_DOUBLE, {.dbl=0}, -900, 900, FLAGS},
-    {"poles", "set number of poles", OFFSET(poles), AV_OPT_TYPE_INT, {.i64=2}, 1, 2, AF},
-    {"p",     "set number of poles", OFFSET(poles), AV_OPT_TYPE_INT, {.i64=2}, 1, 2, AF},
-    {"mix", "set mix", OFFSET(mix), AV_OPT_TYPE_DOUBLE, {.dbl=1}, 0, 1, FLAGS},
-    {"m",   "set mix", OFFSET(mix), AV_OPT_TYPE_DOUBLE, {.dbl=1}, 0, 1, FLAGS},
-    {"channels", "set channels to filter", OFFSET(channels), AV_OPT_TYPE_CHANNEL_LAYOUT, {.i64=-1}, INT64_MIN, INT64_MAX, FLAGS},
-    {"c",        "set channels to filter", OFFSET(channels), AV_OPT_TYPE_CHANNEL_LAYOUT, {.i64=-1}, INT64_MIN, INT64_MAX, FLAGS},
-    {"normalize", "normalize coefficients", OFFSET(normalize), AV_OPT_TYPE_BOOL, {.i64=0}, 0, 1, FLAGS},
-    {"n",         "normalize coefficients", OFFSET(normalize), AV_OPT_TYPE_BOOL, {.i64=0}, 0, 1, FLAGS},
-    {"transform", "set transform type", OFFSET(transform_type), AV_OPT_TYPE_INT, {.i64=0}, 0, NB_TTYPE-1, AF, "transform_type"},
-    {"a",         "set transform type", OFFSET(transform_type), AV_OPT_TYPE_INT, {.i64=0}, 0, NB_TTYPE-1, AF, "transform_type"},
-    {"di",   "direct form I",  0, AV_OPT_TYPE_CONST, {.i64=DI}, 0, 0, AF, "transform_type"},
-    {"dii",  "direct form II", 0, AV_OPT_TYPE_CONST, {.i64=DII}, 0, 0, AF, "transform_type"},
-    {"tdii", "transposed direct form II", 0, AV_OPT_TYPE_CONST, {.i64=TDII}, 0, 0, AF, "transform_type"},
-    {"latt", "lattice-ladder form", 0, AV_OPT_TYPE_CONST, {.i64=LATT}, 0, 0, AF, "transform_type"},
-    {"precision", "set filtering precision", OFFSET(precision), AV_OPT_TYPE_INT, {.i64=-1}, -1, 3, AF, "precision"},
-    {"r",         "set filtering precision", OFFSET(precision), AV_OPT_TYPE_INT, {.i64=-1}, -1, 3, AF, "precision"},
-    {"auto", "automatic",            0, AV_OPT_TYPE_CONST, {.i64=-1}, 0, 0, AF, "precision"},
-    {"s16", "signed 16-bit",         0, AV_OPT_TYPE_CONST, {.i64=0},  0, 0, AF, "precision"},
-    {"s32", "signed 32-bit",         0, AV_OPT_TYPE_CONST, {.i64=1},  0, 0, AF, "precision"},
-    {"f32", "floating-point single", 0, AV_OPT_TYPE_CONST, {.i64=2},  0, 0, AF, "precision"},
-    {"f64", "floating-point double", 0, AV_OPT_TYPE_CONST, {.i64=3},  0, 0, AF, "precision"},
-    {NULL}
-};
-
-DEFINE_BIQUAD_FILTER(lowshelf, "Apply a low shelf filter.");
-#endif  /* CONFIG_LOWSHELF_FILTER */
-#if CONFIG_HIGHSHELF_FILTER
-static const AVOption highshelf_options[] = {
-    {"frequency", "set central frequency", OFFSET(frequency), AV_OPT_TYPE_DOUBLE, {.dbl=3000}, 0, 999999, FLAGS},
-    {"f",         "set central frequency", OFFSET(frequency), AV_OPT_TYPE_DOUBLE, {.dbl=3000}, 0, 999999, FLAGS},
-    {"width_type", "set filter-width type", OFFSET(width_type), AV_OPT_TYPE_INT, {.i64=QFACTOR}, HERTZ, NB_WTYPE-1, FLAGS, "width_type"},
-    {"t",          "set filter-width type", OFFSET(width_type), AV_OPT_TYPE_INT, {.i64=QFACTOR}, HERTZ, NB_WTYPE-1, FLAGS, "width_type"},
-    {"h", "Hz", 0, AV_OPT_TYPE_CONST, {.i64=HERTZ}, 0, 0, FLAGS, "width_type"},
-    {"q", "Q-Factor", 0, AV_OPT_TYPE_CONST, {.i64=QFACTOR}, 0, 0, FLAGS, "width_type"},
-    {"o", "octave", 0, AV_OPT_TYPE_CONST, {.i64=OCTAVE}, 0, 0, FLAGS, "width_type"},
-    {"s", "slope", 0, AV_OPT_TYPE_CONST, {.i64=SLOPE}, 0, 0, FLAGS, "width_type"},
-    {"k", "kHz", 0, AV_OPT_TYPE_CONST, {.i64=KHERTZ}, 0, 0, FLAGS, "width_type"},
-    {"width", "set shelf transition steep", OFFSET(width), AV_OPT_TYPE_DOUBLE, {.dbl=0.5}, 0, 99999, FLAGS},
-    {"w",     "set shelf transition steep", OFFSET(width), AV_OPT_TYPE_DOUBLE, {.dbl=0.5}, 0, 99999, FLAGS},
-    {"gain", "set gain", OFFSET(gain), AV_OPT_TYPE_DOUBLE, {.dbl=0}, -900, 900, FLAGS},
-    {"g",    "set gain", OFFSET(gain), AV_OPT_TYPE_DOUBLE, {.dbl=0}, -900, 900, FLAGS},
-    {"poles", "set number of poles", OFFSET(poles), AV_OPT_TYPE_INT, {.i64=2}, 1, 2, AF},
-    {"p",     "set number of poles", OFFSET(poles), AV_OPT_TYPE_INT, {.i64=2}, 1, 2, AF},
-    {"mix", "set mix", OFFSET(mix), AV_OPT_TYPE_DOUBLE, {.dbl=1}, 0, 1, FLAGS},
-    {"m",   "set mix", OFFSET(mix), AV_OPT_TYPE_DOUBLE, {.dbl=1}, 0, 1, FLAGS},
-    {"channels", "set channels to filter", OFFSET(channels), AV_OPT_TYPE_CHANNEL_LAYOUT, {.i64=-1}, INT64_MIN, INT64_MAX, FLAGS},
-    {"c",        "set channels to filter", OFFSET(channels), AV_OPT_TYPE_CHANNEL_LAYOUT, {.i64=-1}, INT64_MIN, INT64_MAX, FLAGS},
-    {"normalize", "normalize coefficients", OFFSET(normalize), AV_OPT_TYPE_BOOL, {.i64=0}, 0, 1, FLAGS},
-    {"n",         "normalize coefficients", OFFSET(normalize), AV_OPT_TYPE_BOOL, {.i64=0}, 0, 1, FLAGS},
-    {"transform", "set transform type", OFFSET(transform_type), AV_OPT_TYPE_INT, {.i64=0}, 0, NB_TTYPE-1, AF, "transform_type"},
-    {"a",         "set transform type", OFFSET(transform_type), AV_OPT_TYPE_INT, {.i64=0}, 0, NB_TTYPE-1, AF, "transform_type"},
-    {"di",   "direct form I",  0, AV_OPT_TYPE_CONST, {.i64=DI}, 0, 0, AF, "transform_type"},
-    {"dii",  "direct form II", 0, AV_OPT_TYPE_CONST, {.i64=DII}, 0, 0, AF, "transform_type"},
-    {"tdii", "transposed direct form II", 0, AV_OPT_TYPE_CONST, {.i64=TDII}, 0, 0, AF, "transform_type"},
-    {"latt", "lattice-ladder form", 0, AV_OPT_TYPE_CONST, {.i64=LATT}, 0, 0, AF, "transform_type"},
-    {"precision", "set filtering precision", OFFSET(precision), AV_OPT_TYPE_INT, {.i64=-1}, -1, 3, AF, "precision"},
-    {"r",         "set filtering precision", OFFSET(precision), AV_OPT_TYPE_INT, {.i64=-1}, -1, 3, AF, "precision"},
-    {"auto", "automatic",            0, AV_OPT_TYPE_CONST, {.i64=-1}, 0, 0, AF, "precision"},
-    {"s16", "signed 16-bit",         0, AV_OPT_TYPE_CONST, {.i64=0},  0, 0, AF, "precision"},
-    {"s32", "signed 32-bit",         0, AV_OPT_TYPE_CONST, {.i64=1},  0, 0, AF, "precision"},
-    {"f32", "floating-point single", 0, AV_OPT_TYPE_CONST, {.i64=2},  0, 0, AF, "precision"},
-    {"f64", "floating-point double", 0, AV_OPT_TYPE_CONST, {.i64=3},  0, 0, AF, "precision"},
-    {NULL}
-};
-
-DEFINE_BIQUAD_FILTER(highshelf, "Apply a high shelf filter.");
-#endif  /* CONFIG_HIGHSHELF_FILTER */
 #if CONFIG_BIQUAD_FILTER
 static const AVOption biquad_options[] = {
     {"a0", NULL, OFFSET(oa0), AV_OPT_TYPE_DOUBLE, {.dbl=1}, INT32_MIN, INT32_MAX, FLAGS},
-- 
2.25.1



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